diff options
Diffstat (limited to 'Documentation/w1/masters')
| -rw-r--r-- | Documentation/w1/masters/00-INDEX | 4 | ||||
| -rw-r--r-- | Documentation/w1/masters/ds2482 | 10 | ||||
| -rw-r--r-- | Documentation/w1/masters/ds2490 | 2 | ||||
| -rw-r--r-- | Documentation/w1/masters/mxc-w1 | 3 | ||||
| -rw-r--r-- | Documentation/w1/masters/omap-hdq | 2 |
5 files changed, 11 insertions, 10 deletions
diff --git a/Documentation/w1/masters/00-INDEX b/Documentation/w1/masters/00-INDEX index d63fa024ac0..8330cf9325f 100644 --- a/Documentation/w1/masters/00-INDEX +++ b/Documentation/w1/masters/00-INDEX @@ -4,7 +4,9 @@ ds2482 - The Maxim/Dallas Semiconductor DS2482 provides 1-wire busses. ds2490 - The Maxim/Dallas Semiconductor DS2490 builds USB <-> W1 bridges. -mxc_w1 +mxc-w1 - W1 master controller driver found on Freescale MX2/MX3 SoCs +omap-hdq + - HDQ/1-wire module of TI OMAP 2430/3430. w1-gpio - GPIO 1-wire bus master driver. diff --git a/Documentation/w1/masters/ds2482 b/Documentation/w1/masters/ds2482 index 9210d6fa502..56f8edace6a 100644 --- a/Documentation/w1/masters/ds2482 +++ b/Documentation/w1/masters/ds2482 @@ -6,8 +6,8 @@ Supported chips: Prefix: 'ds2482' Addresses scanned: None Datasheets: - http://pdfserv.maxim-ic.com/en/ds/DS2482-100-DS2482S-100.pdf - http://pdfserv.maxim-ic.com/en/ds/DS2482-800-DS2482S-800.pdf + http://datasheets.maxim-ic.com/en/ds/DS2482-100.pdf + http://datasheets.maxim-ic.com/en/ds/DS2482-800.pdf Author: Ben Gardner <bgardner@wabtec.com> @@ -24,8 +24,8 @@ General Remarks Valid addresses are 0x18, 0x19, 0x1a, and 0x1b. However, the device cannot be detected without writing to the i2c bus, so no -detection is done. -You should force the device address. +detection is done. You should instantiate the device explicitly. -$ modprobe ds2482 force=0,0x18 +$ modprobe ds2482 +$ echo ds2482 0x18 > /sys/bus/i2c/devices/i2c-0/new_device diff --git a/Documentation/w1/masters/ds2490 b/Documentation/w1/masters/ds2490 index 28176def3d6..3e091151dd8 100644 --- a/Documentation/w1/masters/ds2490 +++ b/Documentation/w1/masters/ds2490 @@ -21,8 +21,6 @@ Notes and limitations. - The weak pullup current is a minimum of 0.9mA and maximum of 6.0mA. - The 5V strong pullup is supported with a minimum of 5.9mA and a maximum of 30.4 mA. (From DS2490.pdf) -- While the ds2490 supports a hardware search the code doesn't take - advantage of it (in tested case it only returned first device). - The hardware will detect when devices are attached to the bus on the next bus (reset?) operation, however only a message is printed as the core w1 code doesn't make use of the information. Connecting diff --git a/Documentation/w1/masters/mxc-w1 b/Documentation/w1/masters/mxc-w1 index 97f6199a7f3..38be1ad6553 100644 --- a/Documentation/w1/masters/mxc-w1 +++ b/Documentation/w1/masters/mxc-w1 @@ -5,7 +5,8 @@ Supported chips: * Freescale MX27, MX31 and probably other i.MX SoCs Datasheets: http://www.freescale.com/files/32bit/doc/data_sheet/MCIMX31.pdf?fpsp=1 - http://www.freescale.com/files/dsp/MCIMX27.pdf?fpsp=1 + http://cache.freescale.com/files/dsp/doc/archive/MCIMX27.pdf?fsrch=1&WT_TYPE= + Data%20Sheets&WT_VENDOR=FREESCALE&WT_FILE_FORMAT=pdf&WT_ASSET=Documentation Author: Originally based on Freescale code, prepared for mainline by Sascha Hauer <s.hauer@pengutronix.de> diff --git a/Documentation/w1/masters/omap-hdq b/Documentation/w1/masters/omap-hdq index ca722e09b6a..884dc284b21 100644 --- a/Documentation/w1/masters/omap-hdq +++ b/Documentation/w1/masters/omap-hdq @@ -7,7 +7,7 @@ Supported chips: A useful link about HDQ basics: =============================== -http://focus.ti.com/lit/an/slua408/slua408.pdf +http://focus.ti.com/lit/an/slua408a/slua408a.pdf Description: ============ |